Android :: Animate In And Out Of Imageviews?
Sep 30, 2010
I'm trying to figure out how to animate in and out of Imageviews.
Basically I have a LinearLayout with an ImageView and a Button at the bottom. Everytime the button is pressed, onClick() is invoked and I do
image.setImageResource(imageArray[imageCounter]);
I simply change the image displayed on the ImageView by selecting different photos in the @drawable.
Now I want to put an animation when these imageviews are changed (when button pressed). I used
inAnimation = AnimationUtils.makeInAnimation(this,true);and in onClick() I do image.setImageResource(imageArray[imageCounter]); image.startAnimation(inAnimation);
This works fine too. The new image comes to the screen animated. But how can put an out animation too? It seems only one animation can be assigned with startAnimation().
What is the best way to animate an imageview OUT and then animate another imageview IN? Because I want to change the animation depending on the button pressed, I cannot use ViewFlipper. For example, if I press button_Anim1, current image will slideout from right and the new image will fade in. But if I press button_Anim2, current image will slideout from top and the new image will slidein from left. And so on.
I see that I cannot use two different image.startAnimation() in the onClick() method to make the current image View.INVISIBLE and then make the new image View.VISIBLE.
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Feb 25, 2010
I need help coming up with a way of executing the following sequence using some type of view or layout combination in Android:I have 3 image objects... say object A, B, and C...I have tried every combination of Threads, AsyncTasks, Handlers, custom layouts, AnimationListeners, etc. but everything I've tried has failed.
If only the ViewSwitcher could take more than 2 views.
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May 4, 2009
since I have updated my project (http://code.google.com/p/ bestcardgameever-android/) to the 1.5SDK, I need to switch the deprecated AbsoluteLayout with something else. The problem is the project is a card game that has cards showing and some of them need to be overlapping (take a look at this note the cards in the center) I could really use a tip on how to do this with a FrameLayoutetc.
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Oct 15, 2010
I want to load bitmaps into ImageViews in Android, but I don't want to use the R.drawable syntax because I have a lot of images with a standard naming convention so it's much easier to get the image with some logic. For example, all my images are named:
img1.png
img2.png
img3.png
So if a user selects a value, let's say x, I show "img" + x + ".png" in the ImageView. Looks like Bitmap.decodeFile is what I need, but I need to know the syntax of how to get to my drawables folder since that's where the images are. Or if there's perhaps a better way.
I realize I could do this with a switch statement instead of concatenating the image name but that would be a lot of lines since I have so many images.
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Jun 21, 2010
I thought I have understood the XML layout of Android, but it seems that I haven't. I want to have four ImageViews on one screen, to view four images at the same time.
It should look like this, where A to D represents the image views:
DDDAAA
DDDAAA
BBBCCC
BBBCCC
How can I do that? I tried it this way, but it's not working. The Eclipse Editor seems not to be very good for this either. Is there a better one to create those layouts?
CODE:.................................
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Sep 28, 2010
I would like to design a layout for my android app which has imageviews/Textviews placed as shown in the figure below.
Right now, i tried to use Absolute layout, but i know that will create problems as the screen size changes.
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May 19, 2009
Can it be done? If it can, is it much of a performance hit, and is there an example anywhere?
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Jul 19, 2010
Im messing with imageviews and I am able to align a single imageview in the center horizontally with android:layout_centerHorizontal="true"
Now my main problem is that I have X imageviews and when I align them all like that, and then use the android:layout_toRightOf="", they just start from the middle.
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Aug 31, 2010
I need to load several ImageViews into a layout. The ImageViews are used to show a rating using 'star' icons. The number of stars (i.e. the rating is determined during loading by reading a configuration file.
The ImageViews are sitting inside a RelativeLayout layout.
Currently I am using something like this:
CODE:........
My quesions are:
1) Is doing the loading dynamically (not using an xml) is the 'right' way of doing this ?
2) If it is, how do I make the stars display in a line, currently they get placed one on top of the other.
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Sep 16, 2010
I am trying to develop a custom gallery like application in which, i would like to place Image views along an elliptical path whose size varies with position.
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Nov 8, 2010
I have a requirement where few of my image views form border areas of an application, the application will be running on many screen sizes.
I'll be creating a uniform image for the smallest size possible, which can be repeated as many times as needed, and still presents the same image.
i want the image view to replicate the image contained whenever it is increased.
Perhaps I was able to describe my problem.
Is anything like this possible?
I tried 9-patch images, but I couldn't find nice articles on it which could explain how to create useful images with it which could suite my need.
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Nov 8, 2010
I'm just starting to get the hang of animations, tweened animations that is. I have made several imageviews with pictures rotating and moving, and its all very fun, but I don't know what the best approach for doing multiple animations is.
For example I created a LinearLayout and stuck some ImageViews in it and wrote this:
CODE:...............
for each imageview. So they all spin. But now I want to step it up a gear. But reaidng other sources on the net it seems some people use canvas to do animations. What is the best way?
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Jul 26, 2010
I'm working on a game that in some ways is similar to Tetris (imagine a 2D array of colored squares that sometimes move around)
I am trying to animate the individual squares so they will smoothly slide down from coordinate to the next. Since I wanted to use Android's built-in tweening feature, the animation has to apply to the whole View (rather than parts of it). This doesn't work well for me because I only want some of the colored squares to slide down, and the rest of them to stay still.
The (theoretical) solution I came up with to resolve this is to make 2 Views, layered directly on top of each other. The top view is for animating squares when they need to move, and the bottom layer is for the static squares. The animation-layer is transparent until I am ready to animate something. I then simply turn on the colored square in the animation-layer, tween it to the new location, and turn it back off when done. In the same time span, the static-layer just turns squares on and off at the right time to make the whole thing look seamless to the end user.
The proposed solution is just a theory, since I haven't been able to make it work correctly yet. Since I have been having trouble, I was wondering if this is even the best way to solve the problem? Perhaps there is a more elegant solution that I am over looking?
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Oct 23, 2009
I am trying to animate a ViewStub -- without success.
My code:
CODE:........
No animation is played, the ViewStub simply appears. How come?
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Sep 29, 2010
I saw the Android app "Mobisle Notes Free" implement a really cool ListView, where a row gets moved to the bottom if its checkbox is checked. It's not just a simple refresh, but an actual animation where you see the row travel to the bottom. Does anyone know how to implement this?
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Dec 31, 2009
How can I animate a color change?
Like with AlphaAnimation there is fromAlpha and toAlpha, I need something like ColorAnimation that provides fromColor and toColor. Is there anything like that already?
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Feb 3, 2010
I installed the HTC Battery widget (downloaded from the Android Market) and notice that while the battery is being charged, there is a visually effective animation that continuously runs.
I always though such animations in widgets were not supported in the SDK.
How is this technically possible?
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Mar 27, 2009
AK Notepad does this nice little thing where, on displaying the file list, it "unravels" rapidly down the screen. Are they hacking that incredibly manually, or are there simple OS calls to make lists display in various ways?
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Sep 14, 2010
im currently playing around with a Game that architecture is basically like the example 2d Games like JetBoy / LunarLander and so on. But as things now running (and animating continuously) they have kind of "hiccups" when the GC is running. I have done all i can to allocate as much Objects in front. There is nearly nothing that is created "new" besindes some Strings that are used to set the Score and so on. (TextView doesn't take int's =( - So do you have similar Problems that the GC is "lagging" your 2s game ? any solutions ?
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Aug 18, 2010
I would like to animate a view I have to appear like it was sliding off the screen to the left, and then sliding back to the screen from the right. I've set the duration of the first and the start Off set of the second as 1000, so the second should start right after the first ends. Instead I get their order reversed and I see my view sliding from right into the screen, and then sliding off the screen to the left. Reversing the animations order didn't do anything. Anyone got a clue why is this happening, and how can I do what I want?
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Jan 11, 2010
How to animate activity entrance and exit? And activity relaunch after onNewIntent()?I used android:theme in the manifest file but it didn't work for me.
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Dec 10, 2009
I added and displayed set of images in my gallery. I made like at a time use can view three images. Now I want to do different Animation for these images?
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May 25, 2010
My app polls a server every 15 seconds to see if there are any new items to display, then downloads the new items and disposes of the old items so that there are always exactly 100 items in the GridView. Unfortunately, this process can be confusing to the user if they see a page of images change without knowing where the items went.
My idea is that there could be some kind of animation (such as the new items being inserted at the top and pushing the older ones down the list) to show what action is happening. Unfortunately, I have no clue how to make this animation happen.
Is my idea even possible? How would I accomplish this?
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May 12, 2009
I want to be able to make an imageview move from point a to b while going through several different views. For example, say I have a table layout, is there any way an imageview can move from the topleft cell to the bottomright cell? Everything I tried seems to indicate that an imageview will only be shown in it's own container - none of it's parents, siblings or children will show it. Is that correct? is there any way around it? like creating an overlay or a transparent canvas on top of the entire thing so I can do it?
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Oct 18, 2009
This question was raised a few months ago here: http://groups.google.com/group/android-developers/browse_thread/threa... which suggests that animations cannot be done within an App Widget.
However, I'm sure I've seen some App Widgets animating... I have an App Widget which contains an ImageView. When the user clicks on this Widget I would like the ImageView to continuously rotate until a certain task (think synchronization) completes. This can take anywhere from a few seconds to a few minutes.
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Apr 20, 2009
I'm trying to animate some text 'zooming out' on top of another view. My code looks something like code...
with animText being invoked in the onDraw() routine of the BoardView. What I'm seeing, however, is the board zooming out, not the text, despite the above calls to setAnimation().
I've looked in the main android docs and at one other example.
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Feb 28, 2014
I have a view in a fragment. This fragment is within a FrameLayout. I want to animate this view moving outside the fragment borders. However, the view always get clipped when crossing the border. I have tried by setting "android:clipChildren='false'" and android:clipToPadding="false" to everything, but I can't get it to work.
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Jul 27, 2010
I currently have a view in my Android app and the view is playing a frame animation. I want to animate the view to increase its size to 150%. When I apply a scale animation to it, and the scale animation is completed, I want the view to stay at that new size for the rest of the activities life cycle. Unfortunately right now when the scale up animation is complete, the view snaps back to the original size. How can I get it to keep the new animated tranformation? I'm using myView.startAnimation(AnimationUtils.loadAnimation(mContext,R.anim.scaleUp150));
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Apr 28, 2010
I'd like to programmatically move between images in the Gallery widget, with animation.
I can change the currently displaying image using the setSelection(int position) method, however that does not animate. Then there's setSelection(int position, bool animate) but the extra boolean on the end there doesn't appear to do anything.
In the source of Gallery it appears that it can handle DPAD key-presses, so a work-around I thought of was to fake the key-presses. Eg.
dispatchKeyEvent(new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_DPAD_LEFT))
However I can't get this working for some reason. Anyone tried this?
I notice three of the widget's methods I'd love to use moveNext(), movePrevious() and scrollToChild() are all private and unusable.
Does anyone know how I might be able to do this?
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Nov 17, 2010
I need to scroll a MapView programatically to make sure something is in view. I know how many pixels it needs to scroll in each direction. I see methods (in MapController) to animate it to a particular GeoPoint, and to scroll it by pixels without animation. But nothing to do it by pixels, with an animation.
What is an easy way to do this?
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